Dimmers Wattstopper We make buildings and homes more energy efficient through lighting controls. Visit Wattstopper ' Business Hours Monday – Friday: 7am – 4pm Having trouble identifying or finding a part? Call (802) 655-7090 or click here to complete our product finder form, we can help! Join Our Mailing List Get the latest information on promotions, products and events sponsored by Walsh. Name First Last Email* Customer Type* Commercial/Industrial Residential PhoneThis field is for validation purposes and should be left unchanged.